:root{--paper: #fcfcfa;--paper-soft: #f0f0ec;--paper-strong: #ffffff;--ink: #111111;--ink-soft: #343434;--ink-faint: #737373;--line-soft: rgba(17, 17, 17, .18);--line-strong: rgba(17, 17, 17, .72);--shadow: rgba(17, 17, 17, .08);--font-display: "Georgia", "Times New Roman", serif;--font-body: "Helvetica Neue", Arial, sans-serif;--font-mono: "IBM Plex Mono", "Courier New", monospace}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{color:var(--ink);font-family:var(--font-body);background:linear-gradient(180deg,rgba(17,17,17,.02),transparent 28%),radial-gradient(circle at 14% 16%,rgba(17,17,17,.05),transparent 18%),repeating-linear-gradient(0deg,transparent 0,transparent 26px,rgba(17,17,17,.03) 26px,rgba(17,17,17,.03) 27px),var(--paper)}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.12;background-image:radial-gradient(circle,rgba(17,17,17,.07) .8px,transparent .9px),radial-gradient(circle,rgba(17,17,17,.03) .7px,transparent .8px);background-position:0 0,13px 13px;background-size:26px 26px}body:after{content:"";position:fixed;inset:18px;pointer-events:none;border:1px dashed rgba(17,17,17,.12)}button,input,textarea{font:inherit}a{color:inherit;text-decoration:none}.app-shell{position:relative;z-index:1;width:min(1240px,calc(100vw - 28px));margin:18px auto 42px}.hero-panel,.tool-panel,.note-card{background:#ffffffd1;box-shadow:0 20px 48px var(--shadow)}.hero-panel{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.88fr);gap:24px;padding:24px;border:2px solid var(--ink);border-radius:20px}.hero-copy h1{margin:0;font-family:var(--font-display);font-size:clamp(2.45rem,5.6vw,4.8rem);line-height:.94;text-transform:uppercase}.hero-text,.note-card p{margin:14px 0 0;color:var(--ink-soft);line-height:1.72}.eyebrow,.panel-kicker,.command-label{margin:0 0 10px;color:var(--ink-faint);font:700 .75rem/1.2 var(--font-mono);letter-spacing:.18em;text-transform:uppercase}.hero-aside{display:grid;gap:14px}.chip-grid,.button-row{display:flex;flex-wrap:wrap;gap:10px}.chip,.badge{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:999px;color:var(--ink);background:var(--paper);font:700 .72rem/1 var(--font-mono);letter-spacing:.11em;text-transform:uppercase}.chip:nth-child(3n+1),.badge{border:1.5px solid var(--ink)}.chip:nth-child(3n+2),.badge-dashed{border:1.5px dashed var(--ink)}.chip:nth-child(3n),.badge-dotted{border:1.5px dotted var(--ink)}.command-card,.meta-card,.status-banner{padding:14px 16px;border-radius:18px;background:#ffffffdb}.command-card{border:2px solid var(--ink)}.meta-card{border:2px dotted var(--ink)}.command-card code,.meta-card pre{margin:0;display:block;color:var(--ink);white-space:pre-wrap;word-break:break-word;font:600 .86rem/1.65 var(--font-mono)}.workspace-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}.tool-panel{display:grid;gap:16px;padding:20px;border-radius:20px}.tool-panel-plain{border:2px solid var(--ink)}.tool-panel-dashed{border:2px dashed var(--ink)}.tool-panel-dotted{border:2px dotted var(--ink)}.panel-form{display:grid;gap:16px}.panel-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.panel-head h2,.note-card h3{margin:0;font-family:var(--font-display);font-size:1.55rem;line-height:1.08}.field{display:grid;gap:8px}.field span{color:var(--ink-soft);font:700 .78rem/1.3 var(--font-mono);letter-spacing:.08em;text-transform:uppercase}.input-area,.output-area,.input-line{width:100%;color:var(--ink);background:repeating-linear-gradient(180deg,transparent 0,transparent 31px,rgba(17,17,17,.04) 31px,rgba(17,17,17,.04) 32px),#ffffffeb;border-radius:18px;box-shadow:inset 0 0 0 1px #11111105}.tool-panel-plain .input-area,.tool-panel-plain .output-area,.tool-panel-plain .input-line{border:2px solid var(--ink)}.tool-panel-dashed .input-area,.tool-panel-dashed .output-area,.tool-panel-dashed .input-line{border:2px dashed var(--ink)}.tool-panel-dotted .input-area,.tool-panel-dotted .output-area,.tool-panel-dotted .input-line{border:2px dotted var(--ink)}.input-area,.output-area{min-height:220px;padding:16px;resize:vertical;font:500 .98rem/1.68 var(--font-body)}.input-line{min-height:52px;padding:0 14px}.input-area:focus,.output-area:focus,.input-line:focus{outline:none;box-shadow:0 0 0 4px #1111110d}.output-area[readonly]{color:var(--ink-soft)}.action{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:999px;background:transparent;color:var(--ink);font:700 .74rem/1 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:transform .12s ease,background .12s ease}.action:hover{transform:translateY(-1px);background:#1111110a}.action-plain{border:2px solid var(--ink)}.action-dashed{border:2px dashed var(--ink)}.action-dotted{border:2px dotted var(--ink)}.action-ghost{border:1px solid rgba(17,17,17,.18)}.status-banner{font:600 .88rem/1.6 var(--font-body)}.status-banner.idle{border:1px dashed rgba(17,17,17,.26);color:var(--ink-soft)}.status-banner.success{border:1px solid rgba(17,17,17,.7);background:linear-gradient(135deg,rgba(17,17,17,.04),transparent),#ffffffe6}.status-banner.error{border:1px dotted rgba(17,17,17,.8);background:repeating-linear-gradient(90deg,rgba(17,17,17,.04) 0,rgba(17,17,17,.04) 2px,transparent 2px,transparent 8px),#ffffffe0}.notes-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:18px}.toast-stack{position:fixed;top:20px;right:20px;z-index:20;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{min-width:min(360px,calc(100vw - 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